Add metric type filtering

1 files changed, 3 insertions, 1 deletions

diff --git a/src/handlers.rs b/src/handlers.rs
index 3c38724..5d31600 100644
--- a/src/handlers.rs
+++ b/src/handlers.rs
@@ -41,6 +41,7 @@ pub async fn list_measurements(
         SELECT id, measured_at, metric_type, value, unit FROM measurement
         WHERE ($1::timestamptz IS NULL OR measured_at >= $1)
           AND ($2::timestamptz IS NULL OR measured_at < $2)
+          AND ($5::metric_type IS NULL OR metric_type = $5)
         ORDER BY CASE WHEN $4 THEN measured_at END DESC,
                  measured_at ASC
         LIMIT $3
@@ -48,7 +49,8 @@ pub async fn list_measurements(
         query.from,
         query.to,
         limit,
-        matches!(query.order, Order::Desc)
+        matches!(query.order, Order::Desc),
+        query.metric_type
     )
     .fetch_all(&pool)
     .await?;